Give one physiological role for each of the following essential nutrients: N, P, K, Ca, and Mg. What do these nutrients do?

"d.) carbon dioxide and hydrogen sulfide"

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.

answerhypothesis;